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Diagnostic Radiology in California

Data updated monthly · Last refresh August 2026

4,494 Diagnostic Radiology providers practice in California, including 49 (1%) offering telehealth. The largest concentration is in Los Angeles. Profiles include Medicare quality scores where available.

4,494providers
49telehealth
Los Angelestop city

Diagnostic Radiology providers by city in California

Los Angeles573 providers
San Diego371 providers
San Francisco341 providers
Stanford225 providers
Sacramento219 providers
Orange123 providers
Walnut Creek98 providers
Loma Linda75 providers

Highest rated Diagnostic Radiology providers in California

Dr. David Goller, M.D.
Napa, CA · Quality score 100/100 · (707) 252-4633
Dr. Bruce Troup, M.D.
Napa, CA · Quality score 100/100 · (707) 252-4633
Dr. Kiran Jain, M.D.
Davis, CA · Quality score 100/100 · (952) 595-1100
Dr. James Moore, M.D.
Eureka, CA · Quality score 100/100 · (707) 445-5431
Dr. Jose Tandoc, MD
Arcadia, CA · Quality score 100/100 · (626) 445-4850
Dr. Christopher Schultz, M.D.
Napa, CA · Quality score 100/100 · (707) 252-4633
Dr. Christopher Hedley, MEDICAL DOCTOR
Pasadena, CA · Quality score 100/100 · (626) 397-5139
Dr. Dipak Ranparia, MD
Inglewood, CA · Quality score 100/100 · (310) 674-9300
Dr. Michael Shin, MD
Visalia, CA · Quality score 100/100 · (559) 734-9244
Dr. Richard Reed, MEDICAL DOCTOR
Pasadena, CA · Quality score 100/100 · (626) 397-5139
Dr. Andy Wang, MEDICAL DOCTOR
Pasadena, CA · Quality score 100/100 · (626) 397-5139
Dr. Timothy Dalsaso, MD
Eureka, CA · Quality score 100/100 · (707) 442-7814
Dr. Sipan Mathevosian, M.D.
Los Angeles, CA · Quality score 100/100 · (818) 309-3133
Dr. James Le, M.D.
Huntington Beach, CA · Quality score 100/100 · (208) 416-2932
Dr. Angelique Olszowka, MD
Cam Pendleton, CA · Quality score 100/100 · (760) 725-1330
Dr. Joseph Burns, MD
Santa Barbara, CA · Quality score 100/100 · (805) 682-7984
Dr. Irwin Maier, M.D.
Red Bluff, CA · Quality score 100/100 · (952) 595-1100
Dr. Andrew King, MEDICAL DOCTOR
Pasadena, CA · Quality score 100/100 · (626) 397-5139
Dr. Aaron Berkey, MD
Visalia, CA · Quality score 100/100 · (597) 349-2445
Dr. Omar Sahagun, MD
Los Angeles, CA · Quality score 100/100 · (310) 301-6800

Common questions

How many Diagnostic Radiology providers are in California?

There are 4,494 Diagnostic Radiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Diagnostic Radiology providers in California offer telehealth?

Yes. 49 of the 4,494 Diagnostic Radiology providers in California (about 1%) report offering telehealth services in CMS data.

Which cities in California have the most Diagnostic Radiology providers?

Los Angeles (573), San Diego (371), San Francisco (341) have the highest concentration of Diagnostic Radiology providers in California.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Diagnostic Radiology in California? Get featured.